真的沒必要神秘化二分，容易進牛角尖。最樸素的概念都是二分，生死，好壞，晝夜，大小。其中並不必須牽涉到0，除了有無。

來源: 老鍵於 2023-12-02 19:35:55 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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